package com.djl.springcloud.service.imp;

import com.djl.springcloud.service.IMessageProvider;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.support.MessageBuilder;

import java.util.UUID;

/**
 * @program: cloud2020
 * @description:
 * @author: Mr.dai
 * @create: 2021-09-28 20:26
 **/
@EnableBinding(Source.class) //定义消息的推送管道
public class MessageProviderImpl implements IMessageProvider {

    @Autowired
    private MessageChannel output;//消息发送管道

    @Override
    public String send() {
        String serial = UUID.randomUUID().toString();
        output.send(MessageBuilder.withPayload(serial).build());
        System.out.println("******serial"+serial);

        return null;
    }
}
